    #include <iostream>
    int main()
    {
        int sum = 0;
        // sum values from 1 up to 10 inclusive
        for (int val = 1; val <= 10; ++val)
            sum += val; // equivalent to sum = sum + val

        std::cout << "Sum of 1 to 10 inclusive is "
                  << sum << std::endl;
        return 0;
    }
